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2 0 0 M H z

A n a l o g O s c i l l o s c o p e

H M 2 0 0 5 - 2

Manual

English

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Summary of Contents for HM2005-2

Page 1: ...2 0 0 M H z A n a l o g O s c i l l o s c o p e H M 2 0 0 5 2 Manual English...

Page 2: ...s the oscilloscope may be effected by such elds Although the interior of the oscilloscope is screened by the cabinet direct radiation can occur via the CRT gap As the bandwidth of each ampli er stage...

Page 3: ...12 Trace rotation TR 12 Probe adjustment and use 12 1 kHz adjustment 12 1 MHz adjustment 13 Operating modes of the vertical ampli er 13 XY operation 14 Phase measurements with Lissajous gures 14 Measu...

Page 4: ...5 60 and 625 50 standard 250MHz 6 Digit Frequency Counter Cursor and Automatic Measurement 14kV high writing speed CRT Readout Autoset Delay Line no Fan Save Recall Memories for Instrument Settings He...

Page 5: ...Hz 3dB X Y phase shift 3 220kHz Accessories supplied Line Cord Operators Manual and Software for Windows on CD ROM 2 Probes 10 1 HZ200 RS 232 Interface HO710 Optional accessories HO720 Dual Interface...

Page 6: ...in into the next locking position Handle mounting dismounting The handle can be removed by pulling it out further depending on the instrument model in position B or F Safety The instrument ful ls the...

Page 7: ...tions are valid after a 30 minute warm up period between 15 and 30 degr C Speci cations without tolerances are average values Warranty and repair HAMEG instruments are subjected to a strict quality co...

Page 8: ...n 28 Calls selectable trigger lter coupling noise reject and trigger slope menu 18 SOURCE pushbutton 29 Calls trigger source menu e g CH1 CH2 Alt 1 2 External AC Line 19 TRIG d LED 29 Lit on condition...

Page 9: ...in the menu hierarchy F r o n t P a n e l E l e m e n t s B r i e f D e s c r i p t i o n VAR VAR VAR x10 FOCUS TRACE VOLTS DIV VAR VOLTS DIV VAR TIME DIV VAR X POS INTENS LEVEL A B MENU AUX AUXILIAR...

Page 10: ...which coupling was chosen stands for DC stands for AC For hf measurement an in ternal 50 terminator can be activated which is indicated by an symbol in the readout Amplitude of signals In contrast to...

Page 11: ...e and probe may be neglected For the measurement of rise times proceed mainly as outlined above however rise times may be measured anywhere on the screen It is mandatory that the rising portion of the...

Page 12: ...ent from the live wire into the safety ground First time operation and initial adjustments Prior to rst time operation the connection between the instru ment and safety ground must be ensured hence th...

Page 13: ...following rule Always look at the two signals in the one channel only or the dual modes not in ADD mode and make sure that they are within the permissible input signal range this is the case if they...

Page 14: ...ollowing formulas and a pocket calculator with trigonometric functions This calculation is independent of the signal amplitudes Please note As the trigonometric functions are periodic limit the cal cu...

Page 15: ...degree will result a b a b m or m 100 a b a b a UT 1 m and b UT 1 m When measuring the modulation degree the amplitude and time variables can be used without any in uence on the result Triggering and...

Page 16: ...h will cause a trigger irrespective of the polarity of the next slope Rising slope means that a signal comes from a negative po tential and rises towards a positive one This is independent of the vert...

Page 17: ...f possible the coil should be shielded without creating a shorted winding Alternate trigger This mode is selected with SOURCE 18 Alt 1 2 The readout will display Tr alt but no trigger point symbol ind...

Page 18: ...ne period of a signal is displayed at a convenient time base setting Increasing the sweep speed with TIME DIV will expand the display from the start so that parts of the signal will disappear from the...

Page 19: ...disconnected from safety ground Except for the two test leads there may be no further connection between scope and component See Tests within a circuit As described in section Safety all ground conne...

Page 20: ...d of FET With depletion type MOSFETs and all JFETs the channel will conduct if prior to testing the gate was connected to the source The Rdson will be shown As this can be very low it may look like a...

Page 21: ...ith the interface HO710 the scope rmware can be updated via the interface The RS 232 interface has the usual 9 pole D Sub connector The scope can be remotely controlled via this bidirectional interfac...

Page 22: ...tely upon leaving the menu Each menu is assisted by HELP texts which can be called by pressing the HELP 8 and which will be also displayed by the readout If HELP was called and the INTENS knob 2 moved...

Page 23: ...layed pressing the CURSOR MEASURE pushbutton again then causes the display of the Cursors menu and its selection box Additionally the FOCUS TRACE MENU pushbutton 3 will light indicating that the INTEN...

Page 24: ...rmine for which signal channel the CURSOR measurements are valid This is done by showing the INTENS knob signal next to the channel number After selection of the signal source the CURSOR lines must th...

Page 25: ...l 2 POSITION 2 will function as Y position control of CH2 in Yt mode and if the CH1 2 CURSOR TRACE SEP pushbutton 11 is not illuminated 6 SETTINGS pushbutton Pressing this pushbutton will open the SET...

Page 26: ...atic probe factor or manual probe setting dependent The readout will display the calibrated sensitivity e g CH1 5mV Depending on the sensitivity selection the signal will be shown with smaller or grea...

Page 27: ...pe Thereafter the LEVEL A B control will control the time base B trigger a second trigger point symbol will be shown and marked with B turning it CW will increase the sensitivity The sensitivities can...

Page 28: ...led as XY displays can not be triggered 17 1 Menu Slope The menu Edge will appear if Edge was selected in the Trig ger menu to be called with MODE 16 pushbutton and after the FILTER 17 pushbutton was...

Page 29: ...ing dark X position control green Delay time control 22 1 X POS If the pushbutton doesn t lit the HORIZONTAL knob 23 functions In BOTH MODE both slopes will trigger This allows e g the display of eye...

Page 30: ...selected and the option B variable On Off was set to Off Turning the control CCW will decrease turning it CW will in crease the time base speed The speed can be selected between 20 ms cm 50 ns cm in a...

Page 31: ...se A Further information can be found in the section HOLD OFF adjustment in the chapter Triggering and time bases 25 MAG x10 pushbutton Pressing this pushbutton will turn on the x 10 magni er No menu...

Page 32: ...be determined with respect to the formerly set zero reference 27 3 Invert On Off unavailable in XY mode This pushbutton will alternate between not inverted or inverted of the CH1 signal The readout wi...

Page 33: ...inputs and not from the added signal there is no true reference for the trigger point symbol the symbol will thus be switched off However the LEVEL A B control 15 is active 28 5 XY mode In this mode C...

Page 34: ...ation The value automatically or manually selec ted will be automatically taken into account regarding the sensitivity indicated and measurements 29 5 1 If a HAMEG probe with automatic dividing ratio...

Page 35: ...tment of 10 1 probes The frequency can be selected by pressing the pushbutton PROBE ADJ and calling the menu Utilities Further information may be found in the section Probe adjust ment and use in the...

Page 36: ...hwarz Company D 63533 Mainhausen registered trademark Tel 49 0 61 82 800 0 DQS Certi cation DIN EN ISO 9001 2000 Fax 49 0 61 82 800 100 Reg Nr 071040 QM sales hameg de w w w h a m e g c o m 41 2005 02...

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